Japanese phrase
___を交換してもいいですか？ ___ o kō kan shi te mo i i de su ka
Meaning
Would it be okay to exchange ___?
When to use it
Politely asks whether an item can be exchanged. The wording is useful in stores when requesting help with a purchase.
Example dialogue
この商品を交換してもいいですか？ ko no shō hin o kō kan shi te mo i i de su ka
Would it be okay to exchange this item?
はい、レシートをお願いします。 ha i re shī to o o nega i shi ma su
Sure, please show me the receipt.